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Sensor Geophysical products

Contents : 20 Hz (40 Hz for Saral) along-track waveform information, corrections to apply.
Use: expert use; coastal, ice studies or anything requesting a different retracking function than the one used for ocean
Description : Mono altimeter product
Geographic coverage Global

Copyright : 2002-ongoing Cnes and Nasa for OSDR data, 2002-ongoing Esa for Envisat data, 2013-ongoing Cnes for SIGDR Saral data

We inform all the users that the ftp dissemination of the Geophysical Data Records (S/I/GDRs for Jason-1, Jason-2, Jason-3, Saral  and OGDRs for Saral) products has been transferred to the authenticated AVISO+ ftp portal  ( It is thus foreseen to stop the previous access ( by September 12th. 

Note that the deliveries on the Online Data Extraction Service (ODES) and the AVISO+ Cnes Data Center remain unchanged.

Current data:
Since June 20th, the operational chain has been delivering the data for the current missions on both AVISO+ ftp portals, allowing the operational users to switch to the authenticated AVISO+ ftp server as soon as possible. 
The double dissemination is  until 12th  September 2019.

Historical data
 The whole historical data on the authenticated Aviso+ ftp portal ( has been transfered.

Thus, the same data is available on both portals until 
September 12th. After September 12th, the Geophysical Data Records products will be available only at the authenticated Aviso+ ftp portal (

AVISO+ registration:
If you are not registered, we invite you to fill the form on the AVISO+ web portal to get your credentials as soon as possible. You can consult our FAQ for any information about the registration.
If you are already registered but you haven't these products in your list, we invite you to ask for a new product: you can consult our FAQ for any information.

SGDR (Delayed Time): Sensor Geophysical Data Record

Satellite Distribution media Frequency Delivery delay Data period Data delivery File weight


FTP, please refer to your dedicated


60 days 60 days Feb 2016-ongoing one pass per file (zipped) 18 MB
Saral Mar 2013-ongoing 19 MB
Jason-2 Jul 2008-ongoing 15 MB
Jason-1 - - Jan 2002-Jun 2013 13 MB
Envisat Please contact EOHelp (ESA) - -  - -
T/P on request via catalogue-- Poseidon cycles -

See also Sensor Geophysical products available on the catalogue (through menu DATA)

SIGDR (Near-real-time): Sensor Interim Geophysical Data Record

SatelliteDistribution mediaFrequencyDelivery delayData periodData deliveryFile weight 
Jason-3FTP, please refer to
 your dedicated 

every day2 dayslast 3 months onlineone pass per file (zipped)18 MB
Saral 19 MB
Jason-2 15 MB

See also Sensor Geophysical products available on the catalogue (through menu DATA)

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